A nurse is analyzing test results for a client who has a pulmonary embolism. The nurse should identify that which of the following findings indicates a moderate to large pulmonary embolism and the possibility of death?
Tachycardia
Pleural effusion
Respiratory alkalosis
Increased troponin levels
The Correct Answer is D
A. Tachycardia: Tachycardia is a common early sign of pulmonary embolism caused by hypoxia and sympathetic stimulation. However, it is nonspecific and not a direct indicator of embolism size or mortality risk.
B. Pleural effusion: A small pleural effusion can occur with a pulmonary embolism due to inflammation or infarction, but its presence does not correlate with embolism severity or predict outcomes such as death.
C. Respiratory alkalosis: Respiratory alkalosis is a typical response to hyperventilation in early PE. While common, it does not indicate the extent of the embolism or the risk of mortality and can be seen in mild cases.
D. Increased troponin levels: Elevated troponin indicates right ventricular strain or injury due to a moderate to large pulmonary embolism. This cardiac biomarker is associated with a higher risk of complications and death, signaling hemodynamic stress from the embolic event..
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
A. Inflammation: In ARDS, widespread inflammation is triggered in response to lung injury, leading to cytokine release and recruitment of immune cells. This causes damage to the alveolar epithelium and disrupts normal gas exchange.
B. Apoptosis: Programmed cell death (apoptosis) occurs in both alveolar epithelial and endothelial cells as part of the tissue response to injury in ARDS. This contributes to impaired surfactant production and gas exchange.
C. Necrosis: Severe epithelial injury in ARDS can lead to necrosis, a form of uncontrolled cell death, further compromising alveolar integrity and promoting fluid leakage into alveoli.
D. Decreased alveolar-capillary permeability: In ARDS, the opposite occurs—increased alveolar-capillary permeability—allowing protein-rich fluid to leak into the alveoli, which leads to non-cardiogenic pulmonary edema.
E. Hypercapnia: While hypercapnia may result from impaired gas exchange in ARDS, it is a consequence of the condition, not a direct cellular characteristic of pulmonary epithelial damage.
Correct Answer is B
Explanation
A. "Your heart condition is caused when the ventricular tissue becomes fibrous and fatty": This description aligns more with restrictive cardiomyopathy. Dilated cardiomyopathy (DCM) involves the enlargement and weakening of the ventricles rather than fibrous or fatty tissue replacement.
B. "Your heart condition is caused by excessive stretching of the ventricles": Dilated cardiomyopathy is characterized by the excessive stretching of the ventricles, leading to poor contraction and reduced pumping efficiency. This is the most accurate explanation of the condition.
C. "Your heart condition is caused by thickening of the ventricular walls and septum": This description refers to hypertrophic cardiomyopathy, not dilated cardiomyopathy. Hypertrophic cardiomyopathy is characterized by thickened heart walls, not dilation.
D. "Your heart condition is caused from stiffening of the walls of the ventricles": This description refers to restrictive cardiomyopathy, where the heart walls become stiff and less able to expand and contract properly, not dilated cardiomyopathy.
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